/* header */
.header_search {
    background-color: #eee;
    width: 95%;
    margin: 0 auto;
    height: 150px;
    overflow: hidden;
}

.header_search h3 {
    margin-top: 50px;
    margin-left: 100px;
}

.header_search>div {
    margin-top: 15px;
    margin-left: 100px;
}

.header_search>div button {
    padding: 2px 4px;
    border-radius: 3px;
    outline: hidden;
    border: 1px solid blue;
}

.header_search>div input {
    outline: 0;
    text-indent: 2px;
}